.btn-shade-blue {
    background-color: #657FFF !important;
    border-color: #657FFF !important;
    color: #fff !important;
}

.btn-shade-blue:hover {
    background-color: #5066d6 !important; /* darker shade */
    border-color: #455acc !important;
    color: #fff !important;
}

.text-shade-blue {
    color: #657FFF;
}